Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waning Crescent 9%

05:29

14:37

16 Good
17 Good
18 Bad
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 Good
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:54, Set: 17:35, Transit: 12:15. Moon - Rise: 05:29, Set: 14:37. Civil Dark: 18:03 - 06:26. Nautical Dark: 18:35 - 05:55. Astro Dark: 19:06 - 05:23

Total Clouds (% Sky Obscured)

4
7
68
24
9
29
33
73
82
86
87
89
91
87
45
46
42
48
36
8
40
42
39
57

Low Clouds (% Sky Obscured)

1
2
2
2
3
24
24
36
54
38
55
55
60
36
21
13
5
5
4
7
31
23
21
29

Medium Clouds (% Sky Obscured)

0
7
8
9
2
9
19
71
80
83
81
85
85
46
37
32
29
33
30
0
0
0
0
0

High Clouds (% Sky Obscured)

0
7
47
16
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
4
4
4
4
4
4
4
3
4
4
4
3
3
4
5
6
7
6
8
8
7

Chance of Frost

Temperature (°C)

1
-1
-2
-3
-3
-4
-5
-5
-5
-4
-4
-4
-3
-3
-3
-3
-2
-0
2
3
4
5
6
6

Feels Like (°C)

-1
-2
-4
-7
-6
-6
-8
-8
-9
-7
-7
-7
-6
-6
-6
-5
-5
-2
-1
0
2
2
2
3

Dew Point (°C)

-2
-3
-3
-5
-5
-5
-6
-6
-6
-5
-5
-5
-4
-4
-4
-4
-4
-2
-0
2
4
5
6
6

Relative Humidity (%)

81
86
89
89
89
90
90
89
90
90
89
92
91
91
91
91
91
89
88
96
98
96
98
98

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019

Ozone (du)

396
399
405
408
408
416
420
423
423
424
421
417
414
414
414
414
410
407
402
399
402
405
404
400

Saturday 14

Waning Crescent 4%

06:05

15:44

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:53, Set: 17:36, Transit: 12:15. Moon - Rise: 06:05, Set: 15:44. Civil Dark: 18:04 - 06:25. Nautical Dark: 18:36 - 05:53. Astro Dark: 19:07 - 05:22

Total Clouds (% Sky Obscured)

54
59
92
95
100
99
91
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

25
30
35
45
55
53
30
3
3
7
25
21
8
12
14
22
11
4
3
7
7
11
12
42

Medium Clouds (% Sky Obscured)

0
0
12
18
20
20
23
33
26
19
73
100
96
100
100
100
99
100
100
94
100
100
100
100

High Clouds (% Sky Obscured)

54
6
0
11
68
56
75
89
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
2
6
6
6

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
15
4
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
3
2
3
3
2
2
2
2
2
2
2
2
2
2
2
2
3
3
4
5
5
6
5

Chance of Frost

Temperature (°C)

5
4
3
2
2
1
1
-1
-1
-1
-2
-2
-2
-2
-3
-3
-1
0
1
2
3
3
3
3

Feels Like (°C)

3
2
0
-1
-1
-2
-2
-4
-4
-5
-4
-4
-5
-5
-6
-6
-4
-3
-2
-1
-1
0
0
-1

Dew Point (°C)

5
4
2
2
1
0
-0
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-2
1
2
2
2
3
2

Relative Humidity (%)

98
100
98
100
98
94
94
91
94
94
94
96
94
94
96
94
91
89
94
96
96
94
96
96

Pressure (mb)

1019
1019
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020
1019
1020
1020
1020
1021
1021
1020
1020
1020
1019
1018
1018

Ozone (du)

393
389
389
389
386
384
385
387
385
383
381
375
371
369
371
372
375
377
379
382
382
382
381
382

Sunday 15

Waning Crescent 1%

06:35

No Set

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:52, Set: 17:37, Transit: 12:15. Moon - Rise: 06:35, Set: No Set. Civil Dark: 18:05 - 06:24. Nautical Dark: 18:37 - 05:52. Astro Dark: 19:08 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
98
94
97
98
93
97
100
95
98
97
93
96
98
98
98

Low Clouds (% Sky Obscured)

55
72
73
80
90
93
95
93
89
81
84
92
97
90
96
100
95
97
97
93
96
98
98
98

Medium Clouds (% Sky Obscured)

100
100
100
100
99
94
99
91
74
94
81
23
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
74
45
45
36
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
2
0
0
2
0
0
0
9
7
9
8
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Snow
Snow
Snow
Very Light Rain
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
36
47
55
69
66
58
66
61
59
38
11
2
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0.2
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
6
7
7
6
6
7
7
7
7
7
7
7
7
6
5
4
3

Chance of Frost

Temperature (°C)

3
2
1
1
1
1
1
1
0
0
0
0
-0
-0
-0
-0
0
1
1
2
3
3
3
4

Feels Like (°C)

-1
-2
-2
-3
-3
-3
-3
-3
-4
-4
-4
-4
-5
-4
-5
-4
-4
-4
-2
-2
-0
0
1
1

Dew Point (°C)

2
1
0
0
0
0
1
0
-0
-1
-0
-0
-1
-1
-1
-1
-1
-0
0
1
2
2
2
2

Relative Humidity (%)

94
93
93
93
94
98
100
98
96
96
98
98
96
96
94
94
94
94
94
94
93
89
88
88

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1020
1020
1020
1021
1020
1020
1020
1020

Ozone (du)

384
388
387
392
394
397
402
410
415
420
427
434
438
432
423
421
415
408
398
392
386
383
379
376

Monday 16

Waning Crescent 0%

07:01

16:53

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:50, Set: 17:38, Transit: 12:15. Moon - Rise: 07:01, Set: 16:53. Civil Dark: 18:06 - 06:23. Nautical Dark: 18:38 - 05:51. Astro Dark: 19:09 - 05:19

Total Clouds (% Sky Obscured)

88
71
72
73
89
87
90
86
61
78
80
74
68
97
100
100
80
81
93
94
94
82
73
58

Low Clouds (% Sky Obscured)

87
65
63
64
82
82
84
78
51
49
46
44
60
69
78
76
76
81
88
83
74
49
25
0

Medium Clouds (% Sky Obscured)

5
9
14
12
12
12
16
18
25
52
60
36
32
28
21
19
18
11
35
54
64
58
54
50

High Clouds (% Sky Obscured)

0
1
1
1
0
1
2
3
3
3
1
12
2
33
35
30
9
9
3
3
2
15
5
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
6
2
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
1
1
1
2
3
3
4
3
3
3
3
3
4
4
4
6
7
8
8
8
8
7

Chance of Frost

Temperature (°C)

4
3
1
1
1
1
1
1
0
-0
-1
-1
-1
-1
-1
-1
1
2
3
4
6
7
7
8

Feels Like (°C)

1
1
1
1
1
-1
-2
-2
-3
-2
-3
-3
-3
-2
-4
-3
-3
-1
0
1
2
3
4
5

Dew Point (°C)

2
2
0
1
1
1
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-0
1
1
2
3
3
4
5

Relative Humidity (%)

89
93
93
94
96
94
93
93
92
96
96
96
98
96
96
96
94
91
88
83
80
79
78
79

Pressure (mb)

1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1020
1019
1019
1018

Ozone (du)

372
372
372
375
378
381
382
383
383
382
383
381
379
378
377
375
376
373
371
366
365
362
361
359

Tuesday 17

New Moon 2%

07:25

18:02

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:49, Set: 17:40, Transit: 12:15. Moon - Rise: 07:25, Set: 18:02. Civil Dark: 18:07 - 06:21. Nautical Dark: 18:39 - 05:50. Astro Dark: 19:11 - 05:18

Total Clouds (% Sky Obscured)

57
52
44
48
51
62
75
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
14
29
43
49
55
61
57
53
49
34
19
4
7
17
22
32
35
35
49
60
68

Medium Clouds (% Sky Obscured)

41
34
26
21
10
13
38
57
78
85
93
100
100
100
100
100
100
100
96
95
95
95
92
90

High Clouds (% Sky Obscured)

44
52
4
48
51
62
75
87
100
100
100
100
100
100
100
100
100
100
100
100
100
69
41
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
5
1
4
52
63
28
40
51
60
53
43
28
25
22
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0.2
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
4
3
3
3
3
2
2
2
2
2
2
2
2
2
2
4
5
5
5
6
6
5

Chance of Frost

Temperature (°C)

8
7
5
4
4
3
2
2
2
2
2
2
2
2
3
3
4
4
5
5
6
6
6
6

Feels Like (°C)

6
4
3
2
2
0
0
-1
-0
-1
0
-1
-0
0
1
1
2
2
2
2
2
2
5
5

Dew Point (°C)

6
5
4
3
3
2
1
1
0
0
1
1
1
2
2
2
3
4
4
4
5
5
5
5

Relative Humidity (%)

85
90
93
93
93
91
91
89
89
89
91
91
91
94
96
96
98
98
96
94
93
90
91
91

Pressure (mb)

1018
1018
1018
1019
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1014
1013
1013
1012

Ozone (du)

360
361
363
362
362
360
359
357
355
353
351
350
347
346
346
345
345
345
345
347
348
350
351
351

Wednesday 18

Waxing Crescent 6%

07:47

19:10

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 06:48, Set: 17:41, Transit: 12:15. Moon - Rise: 07:47, Set: 19:10. Civil Dark: 18:08 - 06:20. Nautical Dark: 18:40 - 05:48. Astro Dark: 19:12 - 05:17

Total Clouds (% Sky Obscured)

99
97
91
75
61
43
29
22
16
26
32
48
62
91
91
93
95
95
90
88
84
81
79
69

Low Clouds (% Sky Obscured)

66
68
70
75
61
43
29
22
16
26
32
48
62
86
91
93
95
95
90
88
84
81
79
69

Medium Clouds (% Sky Obscured)

90
90
80
25
16
7
1
5
9
14
23
48
62
69
64
71
78
86
75
40
15
5
0
0

High Clouds (% Sky Obscured)

15
14
12
13
14
15
14
17
16
23
13
0
0
0
0
0
0
0
8
12
17
21
15
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
9
9
9
9
9
6
3
0
0
0
0
3
6
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
23
22
38
47
56
60
61
60
56
60
58
50
39
17
19
16
11
22
29
30
28
21
6

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0.3
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
6
5
5
6
5
5
5
5
6
7
6
6
7
6
5
4
5
6
7
7
7

Chance of Frost

Temperature (°C)

6
5
5
5
4
4
4
4
4
3
3
3
4
3
3
2
3
4
6
7
9
11
11
11

Feels Like (°C)

4
4
4
4
4
4
4
4
4
4
4
4
4
3
4
4
2
2
2
2
3
3
11
9

Dew Point (°C)

5
4
4
4
4
3
4
3
3
3
3
3
3
3
2
2
3
4
5
4
4
4
5
5

Relative Humidity (%)

93
93
93
93
94
94
98
96
96
96
94
94
94
96
98
100
96
94
91
79
70
63
65
66

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1011
1011
1011

Ozone (du)

352
355
358
361
364
367
370
371
372
373
372
371
370
369
367
366
365
365
364
364
363
363
366
369

Thursday 19

Waxing Crescent 13%

08:10

20:20

16 Bad
17 OK
18 Good
19 Good
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:46, Set: 17:42, Transit: 12:15. Moon - Rise: 08:10, Set: 20:20. Civil Dark: 18:10 - 06:19. Nautical Dark: 18:41 - 05:47. Astro Dark: 19:13 - 05:16

Total Clouds (% Sky Obscured)

50
29
7
15
24
36
55
77
94
96
98
100
100
100
100
100
100
100
93
90
90

Low Clouds (% Sky Obscured)

50
29
7
10
10
10
26
62
74
80
94
97
100
100
100
100
100
100
68
37
5

Medium Clouds (% Sky Obscured)

0
0
0
1
4
9
11
13
19
46
72
99
99
99
99
92
87
82
77
81
77

High Clouds (% Sky Obscured)

18
29
7
15
18
1
35
67
94
96
98
100
100
100
100
68
40
60
80
90
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
1
1
1
1
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Snow
Snow
Snow
Snow
Frozen rai
Frozen rai
Frozen rai
Frozen rai

Precipitation Probability (%)

5
3
0
0
0
0
1
3
4
39
57
71
89
95
95
95
95
95
95
94
83

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.9
1.7
1.8
1.4
1
0.8
0.7
0.5

Wind Speed/Direction (mph)

8
6
5
4
4
4
4
4
4
5
5
5
5
5
5
6
5
4
6
9
12

Chance of Frost

Temperature (°C)

11
9
7
5
4
3
3
2
2
2
2
2
2
1
1
0
0
0
0
2
3

Feels Like (°C)

9
9
9
9
2
3
3
2
2
2
-1
-1
-1
-1
-1
-1
-3
-4
-4
-2
-2

Dew Point (°C)

5
4
4
3
2
2
2
1
1
1
1
1
0
0
-0
-1
-0
-1
-1
1
2

Relative Humidity (%)

68
74
79
85
88
91
94
93
91
91
91
91
91
93
93
94
96
94
94
96
96

Pressure (mb)

1011
1012
1012
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1009
1008
1007
1007
1006
1006
1004
1003

Ozone (du)

371
369
366
364
361
359
356
355
353
352
349
347
345
344
343
342
341
340
339
338
336

Forecast for Harleysville, Montgomery County, United States of America (40.28,-75.39)

Generated: 13/02/26 16:17:30. Forecast: 13/02/26 to 19/02/26. Timezone: UTC-5.00